15 mins
If she is over 17 and u are 19 and she started the sex act first why be chargd
you go until you get hard then you no it is almost over then when you ejaculate it is over but then if you wait about 10 mins you can do it again so it all depends on you
NO
Too much sex is too much good. Too much sex happens around the time of marriage, when partners meet after some separation for some time. Too much sex happens in extramarital affairs. Other times most people do not have too much sex because there is no too much excitement after novelty wears off. (Sexual addiction is rare and controversial.)
It is currently believed that sex can positively affect cholesterol levels over time.
Peddo much? Because he hasn't had sex in a long time. XD
SEX
You can't time anything.
anytime you feel ready and is over the age of 18......
When you both cannot move anymore...
Think about cold tea.
It is a good workout and does burn alot of calories, but like any exercise it happens over time.